package com.chengshi.shop.handler;

import com.chengshi.shop.builder.TextBuilder;
import com.chengshi.shop.model.member.Member;
import com.chengshi.shop.service.member.MemberService;
import me.chanjar.weixin.common.exception.WxErrorException;
import me.chanjar.weixin.common.session.WxSessionManager;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.bean.message.WxMpXmlMessage;
import me.chanjar.weixin.mp.bean.message.WxMpXmlOutMessage;
import me.chanjar.weixin.mp.bean.result.WxMpUser;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.util.Map;

/**
 * @author Binary Wang(https://github.com/binarywang)
 */
@Component
public class SubscribeHandler extends AbstractHandler {
    @Resource
    private MemberService memberService;

    @Override
    public WxMpXmlOutMessage handle(WxMpXmlMessage wxMessage,
                                    Map<String, Object> context, WxMpService weixinService,
                                    WxSessionManager sessionManager) throws WxErrorException {

        this.logger.info("新关注用户 OPENID: " + wxMessage.getFromUser());

        // 获取微信用户基本信息
        WxMpUser userWxInfo = weixinService.getUserService()
                .userInfo(wxMessage.getFromUser(), null);

        if (userWxInfo != null) {
            Member member = memberService.getMemberByOpenId(userWxInfo.getOpenId());
            if (member == null) {
                member = new Member();
                member.setHeadImg(userWxInfo.getHeadImgUrl());
                member.setSex(userWxInfo.getSexId().byteValue());
                member.setName(userWxInfo.getNickname());
                member.setCountry(userWxInfo.getCountry());
                member.setProvince(userWxInfo.getProvince());
                member.setCity(userWxInfo.getCity());
                member.setOpenId(userWxInfo.getOpenId());
            }
            member.setSubscribe(userWxInfo.getSubscribe());
            memberService.saveMember(member);
        }

        WxMpXmlOutMessage responseResult = null;
        try {
            responseResult = handleSpecial(wxMessage);
        } catch (Exception e) {
            this.logger.error(e.getMessage(), e);
        }

        if (responseResult != null) {
            return responseResult;
        }

        try {
            return new TextBuilder().build(userWxInfo.getNickname() + "，感谢您的关注", wxMessage, weixinService);
        } catch (Exception e) {
            this.logger.error(e.getMessage(), e);
        }

        return null;
    }

    /**
     * 处理特殊请求，比如如果是扫码进来的，可以做相应处理
     */
    private WxMpXmlOutMessage handleSpecial(WxMpXmlMessage wxMessage)
            throws Exception {
        //TODO
        return null;
    }

}
